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Barbell Side Lunge vs Narrow-Stance Barbell Back Squat

Compare your barbell side lunge and narrow-stance barbell back squat against strength standards for your sex and bodyweight. Test each lift with 1–12 strict reps to see estimated one-rep maxes, strength levels, next targets, and priority.

First lift: weight used and 1–12 strict reps. Second lift: weight used and 1–12 strict reps. Pounds or kilograms. For the first exercise, reps are performed evenly on both sides; weaker side determines valid load and rep count. For the second exercise, finish with full hip and knee extension. Each lift is compared with its own standards, so the heavier lift is not automatically the stronger one.

Barbell Side Lunge vs Narrow-Stance Barbell Back Squat Strength Standards

These bodyweight tables place the barbell side lunge and narrow-stance barbell back squat targets side by side from Novice through Elite. Use them to compare standards, not to force a particular ratio between the lifts.

Find the closest row in the men’s or women’s table. Every target lists Barbell Side Lunge / Narrow-Stance Barbell Back Squat, pounds first and kilograms second. Enter your own sets above for exact ratings without testing a true one-rep max.

Men’s Barbell Side Lunge vs Narrow-Stance Barbell Back Squat Standards

How to read the table: Find the closest bodyweight, then use the labeled exercise row. Every strength-level entry shows one target with pounds first and kilograms beneath it.

Men’s Barbell Side Lunge vs Narrow-Stance Barbell Back Squat standards
BodyweightExerciseNoviceIntermediateAdvancedElite
120 lb54.4 kgBarbell Side Lunge36 lb16.3 kg53 lb24 kg76 lb34.5 kg104 lb47.2 kg
Narrow-Stance Barbell Back Squat167 lb75.7 kg203 lb92.1 kg244 lb110.7 kg284 lb128.8 kg
130 lb59 kgBarbell Side Lunge38 lb17.2 kg56 lb25.4 kg80 lb36.3 kg109 lb49.4 kg
Narrow-Stance Barbell Back Squat176 lb79.8 kg214 lb97.1 kg257 lb116.6 kg300 lb136.1 kg
140 lb63.5 kgBarbell Side Lunge40 lb18.1 kg59 lb26.8 kg84 lb38.1 kg115 lb52.2 kg
Narrow-Stance Barbell Back Squat185 lb83.9 kg225 lb102.1 kg270 lb122.5 kg315 lb142.9 kg
150 lb68 kgBarbell Side Lunge42 lb19.1 kg62 lb28.1 kg88 lb39.9 kg120 lb54.4 kg
Narrow-Stance Barbell Back Squat194 lb88 kg236 lb107 kg283 lb128.4 kg330 lb149.7 kg
160 lb72.6 kgBarbell Side Lunge44 lb20 kg64 lb29 kg92 lb41.7 kg126 lb57.2 kg
Narrow-Stance Barbell Back Squat202 lb91.6 kg246 lb111.6 kg295 lb133.8 kg344 lb156 kg
170 lb77.1 kgBarbell Side Lunge45 lb20.4 kg67 lb30.4 kg96 lb43.5 kg131 lb59.4 kg
Narrow-Stance Barbell Back Squat211 lb95.7 kg256 lb116.1 kg307 lb139.3 kg358 lb162.4 kg
180 lb81.6 kgBarbell Side Lunge47 lb21.3 kg69 lb31.3 kg99 lb44.9 kg136 lb61.7 kg
Narrow-Stance Barbell Back Squat219 lb99.3 kg266 lb120.7 kg319 lb144.7 kg372 lb168.7 kg
190 lb86.2 kgBarbell Side Lunge49 lb22.2 kg72 lb32.7 kg103 lb46.7 kg141 lb64 kg
Narrow-Stance Barbell Back Squat227 lb103 kg276 lb125.2 kg331 lb150.1 kg386 lb175.1 kg
200 lb90.7 kgBarbell Side Lunge51 lb23.1 kg75 lb34 kg107 lb48.5 kg146 lb66.2 kg
Narrow-Stance Barbell Back Squat235 lb106.6 kg286 lb129.7 kg343 lb155.6 kg399 lb181 kg
210 lb95.3 kgBarbell Side Lunge52 lb23.6 kg77 lb34.9 kg110 lb49.9 kg151 lb68.5 kg
Narrow-Stance Barbell Back Squat243 lb110.2 kg295 lb133.8 kg354 lb160.6 kg413 lb187.3 kg
220 lb99.8 kgBarbell Side Lunge54 lb24.5 kg79 lb35.8 kg114 lb51.7 kg155 lb70.3 kg
Narrow-Stance Barbell Back Squat250 lb113.4 kg304 lb137.9 kg365 lb165.6 kg426 lb193.2 kg
230 lb104.3 kgBarbell Side Lunge56 lb25.4 kg82 lb37.2 kg117 lb53.1 kg160 lb72.6 kg
Narrow-Stance Barbell Back Squat258 lb117 kg313 lb142 kg376 lb170.6 kg438 lb198.7 kg
240 lb108.9 kgBarbell Side Lunge57 lb25.9 kg84 lb38.1 kg120 lb54.4 kg165 lb74.8 kg
Narrow-Stance Barbell Back Squat265 lb120.2 kg323 lb146.5 kg387 lb175.5 kg451 lb204.6 kg
250 lb113.4 kgBarbell Side Lunge59 lb26.8 kg86 lb39 kg124 lb56.2 kg169 lb76.7 kg
Narrow-Stance Barbell Back Squat273 lb123.8 kg331 lb150.1 kg397 lb180.1 kg463 lb210 kg
260 lb117.9 kgBarbell Side Lunge60 lb27.2 kg89 lb40.4 kg127 lb57.6 kg174 lb78.9 kg
Narrow-Stance Barbell Back Squat280 lb127 kg340 lb154.2 kg408 lb185.1 kg476 lb215.9 kg
270 lb122.5 kgBarbell Side Lunge62 lb28.1 kg91 lb41.3 kg130 lb59 kg178 lb80.7 kg
Narrow-Stance Barbell Back Squat287 lb130.2 kg349 lb158.3 kg418 lb189.6 kg488 lb221.4 kg
280 lb127 kgBarbell Side Lunge63 lb28.6 kg93 lb42.2 kg133 lb60.3 kg183 lb83 kg
Narrow-Stance Barbell Back Squat294 lb133.4 kg357 lb161.9 kg429 lb194.6 kg500 lb226.8 kg
290 lb131.5 kgBarbell Side Lunge65 lb29.5 kg95 lb43.1 kg137 lb62.1 kg187 lb84.8 kg
Narrow-Stance Barbell Back Squat301 lb136.5 kg366 lb166 kg439 lb199.1 kg512 lb232.2 kg
300 lb136.1 kgBarbell Side Lunge66 lb29.9 kg98 lb44.5 kg140 lb63.5 kg191 lb86.6 kg
Narrow-Stance Barbell Back Squat308 lb139.7 kg374 lb169.6 kg449 lb203.7 kg523 lb237.2 kg

Women’s Barbell Side Lunge vs Narrow-Stance Barbell Back Squat Standards

How to read the table: Find the closest bodyweight, then use the labeled exercise row. Every strength-level entry shows one target with pounds first and kilograms beneath it.

Women’s Barbell Side Lunge vs Narrow-Stance Barbell Back Squat standards
BodyweightExerciseNoviceIntermediateAdvancedElite
100 lb45.4 kgBarbell Side Lunge22 lb10 kg34 lb15.4 kg48 lb21.8 kg66 lb29.9 kg
Narrow-Stance Barbell Back Squat97 lb44 kg121 lb54.9 kg151 lb68.5 kg179 lb81.2 kg
110 lb49.9 kgBarbell Side Lunge24 lb10.9 kg36 lb16.3 kg51 lb23.1 kg71 lb32.2 kg
Narrow-Stance Barbell Back Squat103 lb46.7 kg129 lb58.5 kg161 lb73 kg190 lb86.2 kg
120 lb54.4 kgBarbell Side Lunge25 lb11.3 kg38 lb17.2 kg54 lb24.5 kg75 lb34 kg
Narrow-Stance Barbell Back Squat109 lb49.4 kg137 lb62.1 kg171 lb77.6 kg202 lb91.6 kg
130 lb59 kgBarbell Side Lunge26 lb11.8 kg40 lb18.1 kg57 lb25.9 kg79 lb35.8 kg
Narrow-Stance Barbell Back Squat115 lb52.2 kg145 lb65.8 kg180 lb81.6 kg213 lb96.6 kg
140 lb63.5 kgBarbell Side Lunge28 lb12.7 kg42 lb19.1 kg60 lb27.2 kg83 lb37.6 kg
Narrow-Stance Barbell Back Squat121 lb54.9 kg152 lb68.9 kg189 lb85.7 kg223 lb101.2 kg
150 lb68 kgBarbell Side Lunge29 lb13.2 kg44 lb20 kg63 lb28.6 kg87 lb39.5 kg
Narrow-Stance Barbell Back Squat127 lb57.6 kg159 lb72.1 kg198 lb89.8 kg234 lb106.1 kg
160 lb72.6 kgBarbell Side Lunge30 lb13.6 kg46 lb20.9 kg66 lb29.9 kg91 lb41.3 kg
Narrow-Stance Barbell Back Squat133 lb60.3 kg166 lb75.3 kg207 lb93.9 kg244 lb110.7 kg
170 lb77.1 kgBarbell Side Lunge32 lb14.5 kg48 lb21.8 kg68 lb30.8 kg95 lb43.1 kg
Narrow-Stance Barbell Back Squat138 lb62.6 kg173 lb78.5 kg215 lb97.5 kg254 lb115.2 kg
180 lb81.6 kgBarbell Side Lunge33 lb15 kg50 lb22.7 kg71 lb32.2 kg98 lb44.5 kg
Narrow-Stance Barbell Back Squat143 lb64.9 kg180 lb81.6 kg224 lb101.6 kg264 lb119.7 kg
190 lb86.2 kgBarbell Side Lunge34 lb15.4 kg52 lb23.6 kg74 lb33.6 kg102 lb46.3 kg
Narrow-Stance Barbell Back Squat149 lb67.6 kg186 lb84.4 kg232 lb105.2 kg274 lb124.3 kg
200 lb90.7 kgBarbell Side Lunge35 lb15.9 kg53 lb24 kg76 lb34.5 kg105 lb47.6 kg
Narrow-Stance Barbell Back Squat154 lb69.9 kg193 lb87.5 kg240 lb108.9 kg283 lb128.4 kg
210 lb95.3 kgBarbell Side Lunge36 lb16.3 kg55 lb24.9 kg79 lb35.8 kg109 lb49.4 kg
Narrow-Stance Barbell Back Squat159 lb72.1 kg199 lb90.3 kg248 lb112.5 kg293 lb132.9 kg
220 lb99.8 kgBarbell Side Lunge37 lb16.8 kg57 lb25.9 kg81 lb36.7 kg112 lb50.8 kg
Narrow-Stance Barbell Back Squat164 lb74.4 kg205 lb93 kg256 lb116.1 kg302 lb137 kg
230 lb104.3 kgBarbell Side Lunge39 lb17.7 kg59 lb26.8 kg84 lb38.1 kg116 lb52.6 kg
Narrow-Stance Barbell Back Squat169 lb76.7 kg211 lb95.7 kg263 lb119.3 kg311 lb141.1 kg
240 lb108.9 kgBarbell Side Lunge40 lb18.1 kg60 lb27.2 kg86 lb39 kg119 lb54 kg
Narrow-Stance Barbell Back Squat174 lb78.9 kg218 lb98.9 kg271 lb122.9 kg320 lb145.1 kg

How Your Barbell Side Lunge vs Narrow-Stance Barbell Back Squat Result Is Calculated

The comparison starts by estimating each max separately. It then rates both lifts against their own standards before identifying the lower result.

1. Estimate a one-rep max from each set

When the set contains one rep, the entered load is the estimate. For 2–12 reps, the calculator keeps the less aggressive of the two formula results.

  • Epley: weight × (1 + reps ÷ 30)
  • Brzycki: weight × 36 ÷ (37 − reps)

Use recent Barbell Side Lunge and Narrow-Stance Barbell Back Squat sets with consistent technique and full intended range of motion. Difficult lower-rep sets generally make the estimated max less dependent on extrapolation.

2. Find the barbell side lunge strength level

The barbell side lunge rating uses its sex-specific exercise standards. Reference targets at 190 lb for men and 150 lb for women are scaled to the entered bodyweight by reference target × (user bodyweight ÷ reference bodyweight) to the two-thirds power.

The target rises more slowly than bodyweight so larger lifters are expected to lift more without requiring strength to increase pound for pound.

3. Find the narrow-stance barbell back squat strength level

For narrow-stance barbell back squat, the individual exercise thresholds start from reference bodyweights of 190 lb for men and 150 lb for women. Exact-bodyweight targets use reference target × (user bodyweight ÷ reference bodyweight) to the two-thirds power.

This adjustment expects larger lifters to move more weight, but it does not increase the target pound for pound with bodyweight.

4. Compare the two results

Strength level decides the comparison first. Matching levels remain Balanced unless progress toward the next target differs by at least 10 points.

The result identifies the lower standards rating, not its cause. Technique, fatigue, training history, and set quality can all affect the comparison. Age range is recorded anonymously but does not change these standards.

StageWhat happens
Estimate each maxUse the entered weight for 1 rep; for 2–12 reps, keep the lower formula result.
Rate the barbell side lungeUse the exercise-specific estimated max and adjust targets to exact bodyweight with the two-thirds scaling rule.
Rate the narrow-stance barbell back squatUse the exercise-specific estimated max and adjust targets to exact bodyweight with the two-thirds scaling rule.
Compare different levelsName the lower-level lift as the priority.
Compare matching levelsUse Balanced unless the difference in progress toward the next level reaches 10 points.

Enter both sets above to see the estimated maxes, assigned levels, next-level targets, and comparison result.

How Men’s Barbell Side Lunge and Narrow-Stance Barbell Back Squat Standards Differ

What the men’s data shows:

Novice closest match120 lb

The standards come closest at 120 lb.

Narrow-Stance Barbell Back Squat target is higher4 strength levels

The higher target remains with Narrow-Stance Barbell Back Squat for Novice, Intermediate, Advanced, and Elite throughout the table.

Elite difference180 → 332 lb

Across 120–300 lb bodyweight, the Elite gap changes from 81.6 to 150.6 kg.

How to read this chart: Choose a strength level and follow its line across bodyweight. Values show the Narrow-Stance Barbell Back Squat standard minus the Barbell Side Lunge standard: zero means equal, above zero means the Narrow-Stance Barbell Back Squat standard is higher, and below zero means the Barbell Side Lunge standard is higher. Swipe horizontally on mobile. Use the standards table for exact lb/kg targets.

Line chart loading. The standards tables above contain the exact pounds and kilograms.

How Women’s Barbell Side Lunge and Narrow-Stance Barbell Back Squat Standards Differ

What the women’s data shows:

Novice closest match100 lb

The standards come closest at 100 lb.

Narrow-Stance Barbell Back Squat target is higher4 strength levels

Across all listed bodyweights, Novice, Intermediate, Advanced, and Elite keep the same higher-target direction.

Elite difference113 → 201 lb

Across 100–240 lb bodyweight, the Elite gap changes from 51.3 to 91.1 kg.

How to read this chart: Choose a strength level and follow its line across bodyweight. Values show the Narrow-Stance Barbell Back Squat standard minus the Barbell Side Lunge standard: zero means equal, above zero means the Narrow-Stance Barbell Back Squat standard is higher, and below zero means the Barbell Side Lunge standard is higher. Swipe horizontally on mobile. Use the standards table for exact lb/kg targets.

Line chart loading. The standards tables above contain the exact pounds and kilograms.

Barbell Side Lunge and Narrow-Stance Barbell Back Squat Exercises Used by This Calculator

Valid results depend on using the specified barbell side lunge and narrow-stance barbell back squat technique and load convention. Use strict, repeatable Barbell Side Lunge and Narrow-Stance Barbell Back Squat tests that follow each exercise’s setup, range of motion, equipment, and load rules. Do not mix variations, assistance, partial range, momentum, or different load conventions.

Use the exercise-specific Barbell Side Lunge setup and load convention

Barbell is positioned on the upper back; high-bar or low-bar placement is allowed. Lifter begins standing upright with feet hip-width apart. Lifter steps laterally into a wide stance. Working foot remains flat and planted throughout the rep. Lifter descends by sitting into the working hip. Non-working leg remains extended with minimal knee bend. Working thigh reaches at least parallel, with hip crease at or below knee level. Each repetition counts only after returning to a fully upright standing position with hips and knees extended and feet returned under the body. Torso remains neutral with minimal forward collapse or rotation. Each rep is controlled with consistent depth, step width, and tempo. Reps are performed evenly on both sides; weaker side determines valid load and rep count. Raw lifting only; no equipped or assisted support is included. No shallow side steps without clear depth, forward or rotational lunge substitutions, excessive torso lean, momentum-assisted returns, assisted variations, machine-based lateral lunges, Smith machine variations, partial reps, uneven step widths, or equipped lifting are included. Load input represents total barbell weight only, not bodyweight. Standards reflect unilateral lower-body strength with significant lateral stability demands. Side lunges typically allow less loading than forward or reverse lunges due to reduced mechanical efficiency. Most lifters are limited by hip mobility, adductor strength, and lateral balance. Shallow depth or shortened step width will inflate results. Strict, repeatable execution is required for valid comparisons. Estimated 1RM is calculated from the entered weight used and reps.

Use the Narrow-Stance Barbell Back Squat setup and load convention

Straight bar fixed in the exercise-specific high-bar position on the upper trapezius. Total load includes the bar and all plates. Heel centers no wider than measured hip-joint width. Toe-out is allowed without widening the heel centers. Both heels remain flat on the lifting surface. Hip crease descends below the top of the knee. Feet remain planted and the stance remains fixed. Finish with full hip and knee extension. No heel elevation, assistance, bounce, or good-morning drift.

Enter one recent Barbell Side Lunge result and one recent Narrow-Stance Barbell Back Squat result

First lift: weight used and 1–12 strict reps. Second lift: weight used and 1–12 strict reps. Pounds or kilograms.

  • Barbell Side Lunge — View the individual Barbell Side Lunge standards and next strength-level target.
  • Narrow-Stance Barbell Back Squat — View the individual Narrow-Stance Barbell Back Squat standards and next strength-level target.
  • Barbell Cossack Squat — Use this related standards tool to examine a closely related exercise without mixing its result into this comparison.
  • Barbell Lunge — Use this related standards tool to examine a closely related exercise without mixing its result into this comparison.
  • Barbell Back Squat (High-Bar, Full Depth) — Use this related standards tool to examine a closely related exercise without mixing its result into this comparison.
  • Barbell Cyclist Squat — Use this related standards tool to examine a closely related exercise without mixing its result into this comparison.
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